Home / 855,699.04-1,283,531.28-294,721.12

Finding the Fourth Proportional to 855,699.04, 1,283,531.28 and 294,721.12

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Solution

The fourth proportional to 855,699.04, 1,283,531.28 and 294,721.12 is: 442,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,699.04 : 1,283,531.28 = 294,721.12 : x
  2. Step 2: Convert to fraction form
    855,699.04/1,283,531.28 = 294,721.12/x
  3. Step 3: Cross multiply
    855,699.04x = 1,283,531.28 × 294,721.12
  4. Step 4: Simplify right side
    855,699.04x = 378,283,776,396.63
  5. Step 5: Solve for x
    x = 378,283,776,396.63/855,699.04
  6. Step 6: Final answer
    x = 442,075.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.